Synthroid
[医]左甲状腺素钠，左旋甲状腺素钠制剂的商品名
🗣️ 情景例句
just listening to it.
听着这些声音时。
I'm awfully sorry.
真是对不起。
I like writing to my penfriend, but it takes a lot of time.
我喜欢给笔友写信，但那很花时间。